#include <vector>
#include <iostream>
#include <string>

using std::vector;
using std::cout;
using std::endl;
using std::string;

void test(){
    vector<char> chars = {'x','w','w','h','e','l','l','o'};
    string str(chars.begin(),chars.end());
    cout << str << endl;
}

int main()
{
    test();
    return 0;
}

